Finding the Fourth Proportional to 3,144.87, 4,714.06 and 1,064.19

Step by Step Solution

1. Step 1: Write the proportion equation
   3,144.87 : 4,714.06 = 1,064.19 : x
2. Step 2: Convert to fraction form
   3,144.87/4,714.06 = 1,064.19/x
3. Step 3: Cross multiply
   3,144.87x = 4,714.06 × 1,064.19
4. Step 4: Simplify right side
   3,144.87x = 5,016,655.51
5. Step 5: Solve for x
   x = 5,016,655.51/3,144.87
6. Step 6: Final answer
   x = 1,595.19